... compression format, support 2 way audio, WiFi, built-in Pan/Tilt and IR lights, mobile phone view, provide alarm in and out interface, support ... to their demands to satisfy his own visual prefer. -With built-in Microphone, it enables user to monitor the sound ... to the speaker, and it supports two-way intercom function. -It was equipped with pan/tilt function, horizontally 270°and vertically 120°. Its ...